The Total solution for NCERT class 6-12
Sketch the region {(x,y):9x2 + 4y2 = 36} and find the area enclosedby it, using integration.
9x2 +4y2 = 36
Area of Sector OABCO =
Area of the wholefigure = 4 × Ar. D OABCO
= 6p sq. units